RockBoard Natural Sound Buffer The Rockboard Natural Sound Buffer is a op-amp based signal buffer that eliminates cable capacitance and loss of top end associated with long cable paths or using several unbuffered effects pedals. Its position in the signal chain shoul be assertained by experimentation depending on the effects pedals used to optimise your sound. Features: op-amp based signal buffer prevents signal loss in effects chains gives back presence and assertiveness to the overall sound Solid metal housing 6.3 mm mono in/output jacks power supply via optional 9V DC Adapter, 2.1 x 5.5 mm barrel, polarity (-) center battery operation not supported Input impedance: 2.2 Mohms - output impedance: 10 kohms dimensions (W x D x H) 74 mm x 42 mm x 33 mm weight 92 g Product Specs Item Number: 11142 Make: Warwick Model: Rockboard Natural Sound Buffer Condition: Brand New Categories: effects-and-pedals ⇒ buffer Made In: China MPN: WR-SOUND-BUFFER EAN: 4033685068863